Description This updated next-to-skin layer is engineered for alpine athletes who refuse to compromise on comfort and performance. The Women&';s Summit Series Pro Baselayer Crew helps maintain body temperature during rugged ascents and delivers targeted moisture management through our innovative DOTKNIT(TM) technology. We built this layer with a new wool-blend fabric for natural odor control and used texturized threads for a soft feel during multi-day expeditions. Slim-fitting. Mobility-focused. This is the foundation of every mountain kit. Features Fit: Slim fit Innovation: Our DOTKNIT materials are engineered to help move moisture away from the body Sustainability: Body fabric made with 62% recycled polyester Fabric includes athlete-requested wool content for odor management Flat-locked seams for reduced bulk Fabric has texturized threads for optimized comfort next to skin Raglan sleeves and underarm gussets for increased mobility Cuffs feature integrated internal elastic thumb loops Internal locker loop at back of neckline Seam-reinforcement tape at back neck for low bulk and comfort next to skin Care label has a chain-stitch attachment for easy removal